---> uname -a: Linux prd-centos8-docker-4c-4g-6224.novalocal 4.18.0-500.el8.x86_64 #1 SMP Wed Jun 28 00:07:07 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr wbnoinvd arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 7.7G 0 7.7G 0% /dev tmpfs 7.7G 0 7.7G 0% /dev/shm tmpfs 7.7G 17M 7.7G 1% /run tmpfs 7.7G 0 7.7G 0% /sys/fs/cgroup /dev/vda1 80G 11G 70G 13% / tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15761 759 12093 20 2907 14662 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:69:0a:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 altname ens3 inet 10.30.107.237/23 brd 10.30.107.255 scope global dynamic noprefixroute eth0 valid_lft 86053sec preferred_lft 86053sec inet6 fe80::f816:3eff:fe69:aa3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:93:ce:dd:8f brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/29/2026 _x86_64_ (4 CPU) 13:22:43 LINUX RESTART (4 CPU) 01:24:02 PM tps rtps wtps bread/s bwrtn/s 01:25:01 PM 56.66 0.20 56.46 30.50 4350.46 01:26:01 PM 138.16 14.98 123.18 3220.93 12628.20 01:27:01 PM 178.51 5.73 172.78 1040.99 11577.19 01:28:01 PM 33.29 1.85 31.44 101.58 1024.21 Average: 101.84 5.71 96.13 1102.92 7407.80 01:24:02 PM kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:25:01 PM 13352544 15138188 2786772 17.27 2688 2002436 1104620 6.43 137992 2294116 173944 01:26:01 PM 12909524 15008612 3229792 20.01 2688 2306216 1406876 8.19 184744 2644164 70364 01:27:01 PM 11402164 13779292 4737152 29.35 2688 2578176 2361768 13.74 254200 4050540 8696 01:28:01 PM 12384444 15013180 3754872 23.27 2688 2827836 1158096 6.74 352556 2974392 262532 Average: 12512169 14734818 3627147 22.47 2688 2428666 1507840 8.77 232373 2990803 128884 01:24:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:25:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:25:01 PM eth0 61.62 41.31 896.33 5.69 0.00 0.00 0.00 0.00 01:25:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:26:01 PM eth0 95.45 67.79 1089.61 19.25 0.00 0.00 0.00 0.00 01:26:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:27:01 PM lo 15.79 15.79 1.76 1.76 0.00 0.00 0.00 0.00 01:27:01 PM eth0 317.89 248.52 3770.27 46.15 0.00 0.00 0.00 0.00 01:27:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:28:01 PM lo 16.18 16.18 6.56 6.56 0.00 0.00 0.00 0.00 01:28:01 PM eth0 73.69 69.07 268.82 935.83 0.00 0.00 0.00 0.00 01:28:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 8.03 8.03 2.09 2.09 0.00 0.00 0.00 0.00 Average: eth0 137.48 106.95 1508.87 252.74 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.18.0-500.el8.x86_64 (centos-stream-8-docker-35e3e635-7ea0-4115-9f61-813d979b482a.nova) 10/29/2026 _x86_64_ (4 CPU) 13:22:43 LINUX RESTART (4 CPU) 01:24:02 PM CPU %user %nice %system %iowait %steal %idle 01:25:01 PM all 9.20 0.00 0.91 0.29 0.02 89.58 01:25:01 PM 0 15.50 0.00 1.26 0.41 0.02 82.82 01:25:01 PM 1 12.60 0.00 1.10 0.22 0.02 86.06 01:25:01 PM 2 8.01 0.00 1.02 0.22 0.02 90.74 01:25:01 PM 3 0.70 0.00 0.25 0.31 0.02 98.73 01:26:01 PM all 15.19 0.00 1.72 0.75 0.01 82.33 01:26:01 PM 0 12.61 0.00 1.52 0.72 0.00 85.15 01:26:01 PM 1 11.28 0.00 1.44 0.67 0.00 86.61 01:26:01 PM 2 17.12 0.00 1.47 1.00 0.02 80.39 01:26:01 PM 3 19.75 0.00 2.46 0.60 0.02 77.18 01:27:01 PM all 52.47 0.00 2.12 0.93 0.03 44.45 01:27:01 PM 0 47.96 0.00 3.08 1.19 0.02 47.76 01:27:01 PM 1 63.86 0.00 1.44 0.77 0.07 33.86 01:27:01 PM 2 39.73 0.00 2.64 1.22 0.00 56.40 01:27:01 PM 3 58.28 0.00 1.34 0.55 0.02 39.81 01:28:01 PM all 15.56 0.00 1.54 0.86 0.01 82.03 01:28:01 PM 0 12.19 0.00 1.39 1.99 0.00 84.44 01:28:01 PM 1 11.27 0.00 1.32 0.85 0.00 86.56 01:28:01 PM 2 23.85 0.00 2.31 0.28 0.02 73.55 01:28:01 PM 3 14.94 0.00 1.15 0.32 0.02 83.58 Average: all 23.16 0.00 1.58 0.71 0.01 74.54 Average: 0 22.08 0.00 1.81 1.08 0.01 75.02 Average: 1 24.81 0.00 1.33 0.63 0.02 73.21 Average: 2 22.23 0.00 1.86 0.68 0.01 75.21 Average: 3 23.51 0.00 1.30 0.44 0.02 74.72